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DOI: 10.1148/radiol.2311030081
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(Radiology 2004;231:277-281.)
© RSNA, 2004

Technical Developments

Needle Localization for Excisional Biopsy of Breast Lesions: Comparison of Effect of Use of Full-Field Digital versus Screen-Film Mammographic Guidance on Procedure Time1

Wei Tse Yang, MD, Gary J. Whitman, MD, Marcella M. Johnson, MS, Mercedes Bolanos-Clark, MD, Anne C. Kushwaha, MD, Kelly K. Hunt, MD and Peter J. Dempsey, MD

1 From the Division of Diagnostic Imaging (W.T.Y., G.J.W., A.C.K., P.J.D.), Department of Biostatistics (M.M.J.), Division of Cancer Medicine (M.B.C.), and Division of Surgery (K.K.H.), University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd, Unit 57, Houston, TX 77030. From the 2002 RSNA scientific assembly. Received January 16, 2003; revision requested March 26; final revision received July 21; accepted August 22. Address correspondence to W.T.Y. (e-mail: wyang@di.mdacc.tmc.edu).

The time required to perform needle localization with full-field digital (FFD) mammography was compared with the time required to perform it with screen-film (SF) mammography in 158 women with breast lesions. The time needed to position the patient before the first image was acquired, needle placement time, and total procedure time were compared between techniques. Regression modeling was performed to assess the effect of mammographic guidance method while simultaneously adjusting for other significant covariates. By using the backward selection technique, statistically nonsignificant variables were removed one at a time to produce a final model for which all statistically significant effects were defined as those with P < .10. Total procedure time for all lesions was shorter with FFD than with SF mammography. The time needed to position the patient and needle placement time were also significantly shorter with FFD than with SF mammography. Procedure time for needle localization of breast lesions is significantly shorter with FFD than with SF mammographic guidance.

© RSNA, 2004

Index terms: Breast, biopsy, 00.1261 • Breast neoplasms, localization, 00.1261 • Breast radiography, 00.112, 00.1215 • Breast radiography, comparative studies, 00.112, 00.1215 • Radiography, digital, 00.1215




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